Author: Anonymous

What is the difference between energy and power?

The escape velocity from Earth is greater for larger rockets than for small ones.

When a rock is held above the ground, we say it has some potential energy. When we let it go, it falls and we say the potential energy is converted to kinetic energy. Finally, the rock hits the ground. What has happened to the energy?

According to the universal law of gravitation, if you triple the distance between two objects, then the gravitational force between them will

The fact that the Voyager spacecraft continues to travel out of the solar system, even though its rockets have no fuel, is an example of

In the grapefruit model of the solar system, it would take a few minutes to walk from the Sun to the inner edge of the Kuiper Belt (Pluto).

What do we mean by the observable universe?

For the practice exam, students do not need to submit their scrap work.  However, on the real exam, students will need to complete the following instructions immediately after they submit their real exam:   REQUIRED SCRAP WORK: All students are REQUIRED to submit their scrap work. Students must do the following: Students must submit scrap work in their own handwriting for the exam. Students who do not submit scrap work showing how they solved the problems will receive a grade of zero (0) on the exam.  Submit their scrap work within 5 minutes after they have submitted their exam on Canvas. Scrap work submitted after 5 minutes after exam submission will not be accepted. Submit their scrap work as a PDF file or JPEG or JPG image files to the separate Canvas assignment called “EXAM 1 SCRAP WORK: All Students are REQUIRED to submit their exam work HERE”. Scrap work not submitted as either a PDF file or JPEG or JPG image files will not be accepted. If you have done scrap work by hand on paper, then after the exam you will need to quickly take images and submit images as JPEG or JPG image files or a PDF file.

A bilateral examination uses two hands at the same time to examine corresponding structures on opposite sides of the body.  A bimanual examination uses fingers and thumb from each hand applied simultaneously in coordination.

What are the keys to an effective examination: